#include "lib/print.h"
#include <stdint.h>

extern void master_eoi(void);

struct registers {
    uint32_t edi, esi, ebp, esp_dummy, ebx, edx, ecx, eax;
    
    uint32_t int_no;    
    uint32_t error_code;
    
    uint32_t eip, cs, eflags, useresp, ss;
};

const char* err_messages[32] = {
    [0] = "Divide by 0",
    [1] = "",
    [8] = "",
    [13] = "General Protection Fault",
    [14] = "Page Fault",
};

void common_interrupt_handler(struct registers *regs) {
    switch (regs->int_no) {
        case 0:
        case 1:
        case 8:
        case 13:
        case 14:
            kprint("CPU Error: ");
            kprint(err_messages[regs->int_no]);
            kprint("\n");
            break;
        case 32:
            // wake the PIC timer driver
            master_eoi();
            break;
        case 33:    
            // wake the keyboard driver
            master_eoi();
            break;
        default:
            kprint("Received unhandled interrupt\n");
            return;
    }
}